Chief Petty Officer, later Commander, Nicholas-113, also known by his nickname Scar, was a renowned Spartan II and ONI officer who fought during the Human-Covenant War, UNSC-Brute War and The Third Battle Of Harvest. He fought in the tail end years of the Human-Covenant war, having been badly wounded in the Battle of Harvest in 2531. By 2539, he had fully recovered and requested to be put on the front lines. He later served in the UNSC-Brute War, as one of the last surviving Spartan IIs. He served as a commander of ground forces and was present at the Battle of Doisac.